:root {
  --ink: #143026;
  --muted: #5c6f66;
  --paper: #f4f7f4;
  --card: #fff;
  --line: #d7e2db;
  --accent: #1f7a45;
  --e: #1b6b3a;
  --s: #1d4f91;
  --g: #8a5a2b;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", Inter, sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #e7f3ea 0%, var(--paper) 240px);
}
.top {
  padding: 1.25rem 1.5rem 0.25rem;
  max-width: 960px;
  margin: 0 auto;
}
.brand { font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); }
.top p { margin: 0.2rem 0 0; color: var(--muted); }
main { max-width: 960px; margin: 0 auto; padding: 1rem 1.5rem 3rem; }
.kicker { font-size: 0.78rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--accent); }
h1 { margin: 0.3rem 0; font-size: 2.2rem; }
.lead, .hint { color: var(--muted); }
.panel, .result-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.1rem 1.2rem 1.3rem;
  margin-top: 1rem;
}
.inv-head, .actions { display: flex; gap: 0.4rem; align-items: center; flex-wrap: wrap; }
.inv-head { justify-content: space-between; }
h2 { margin: 0; font-size: 1.15rem; }
button {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 0.4rem 0.8rem;
  cursor: pointer;
  color: var(--ink);
}
button.primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  padding: 0.55rem 1.1rem;
  font-weight: 700;
}
button.danger { color: #8b2e2e; }
.rows { display: grid; gap: 0.5rem; margin: 0.9rem 0; }
.row {
  display: grid;
  grid-template-columns: auto 1.4fr 0.7fr auto auto;
  gap: 0.45rem;
  align-items: center;
}
select, input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.45rem 0.5rem;
  font: inherit;
}
.badge {
  font-size: 0.72rem;
  font-weight: 800;
  padding: 0.2rem 0.45rem;
  border-radius: 6px;
}
.badge.s1 { background: #e7f0ea; color: var(--e); }
.badge.s2 { background: #e6eef6; color: var(--s); }
.badge.s3 { background: #f3ebe3; color: var(--g); }
.error {
  background: #fdecec;
  color: #8b2e2e;
  padding: 0.7rem 0.9rem;
  border-radius: 10px;
}
.totals {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.7rem;
  margin: 0.8rem 0;
}
.totals div {
  background: var(--paper);
  border-radius: 10px;
  padding: 0.8rem;
  display: grid;
  gap: 0.15rem;
}
.totals strong { font-size: 1.35rem; }
.totals span, .totals small { color: var(--muted); font-size: 0.78rem; }
.contrib { display: grid; gap: 0.6rem; margin: 0.6rem 0 1rem; }
.meta { display: flex; gap: 0.45rem; align-items: center; font-size: 0.88rem; }
.meta .name { flex: 1; }
.meta .val { color: var(--muted); font-size: 0.8rem; white-space: nowrap; }
.track { height: 8px; background: #e8eee9; border-radius: 99px; overflow: hidden; margin-top: 0.25rem; }
.bar { height: 100%; background: var(--accent); }
table { width: 100%; border-collapse: collapse; font-size: 0.86rem; }
th, td { text-align: left; padding: 0.5rem 0.35rem; border-bottom: 1px solid var(--line); vertical-align: top; }
@media (max-width: 800px) {
  .row, .totals { grid-template-columns: 1fr 1fr; }
}